[llvm] r361035 - [X86][AVX] isNOT - add extract_subvector(xor X, -1) -> extract_subvector(X) fold.
Simon Pilgrim via llvm-commits
llvm-commits at lists.llvm.org
Fri May 17 07:04:56 PDT 2019
Author: rksimon
Date: Fri May 17 07:04:56 2019
New Revision: 361035
URL: http://llvm.org/viewvc/llvm-project?rev=361035&view=rev
Log:
[X86][AVX] isNOT - add extract_subvector(xor X, -1) -> extract_subvector(X) fold.
Prep work for the removal of the remaining x86 CTTZ vector lowering.
Modified:
llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
llvm/trunk/test/CodeGen/X86/vector-lzcnt-512.ll
Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=361035&r1=361034&r2=361035&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri May 17 07:04:56 2019
@@ -37448,11 +37448,20 @@ static SDValue combineCompareEqual(SDNod
}
// Match (xor X, -1) -> X.
+// Match extract_subvector(xor X, -1) -> extract_subvector(X).
static SDValue IsNOT(SDValue V, SelectionDAG &DAG) {
V = peekThroughBitcasts(V);
if (V.getOpcode() == ISD::XOR &&
ISD::isBuildVectorAllOnes(V.getOperand(1).getNode()))
return V.getOperand(0);
+ if (V.getOpcode() == ISD::EXTRACT_SUBVECTOR &&
+ (isNullConstant(V.getOperand(1)) || V.getOperand(0).hasOneUse())) {
+ if (SDValue Not = IsNOT(V.getOperand(0), DAG)) {
+ Not = DAG.getBitcast(V.getOperand(0).getValueType(), Not);
+ return DAG.getNode(ISD::EXTRACT_SUBVECTOR, SDLoc(Not), V.getValueType(),
+ Not, V.getOperand(1));
+ }
+ }
return SDValue();
}
Modified: llvm/trunk/test/CodeGen/X86/vector-lzcnt-512.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/vector-lzcnt-512.ll?rev=361035&r1=361034&r2=361035&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/vector-lzcnt-512.ll (original)
+++ llvm/trunk/test/CodeGen/X86/vector-lzcnt-512.ll Fri May 17 07:04:56 2019
@@ -56,26 +56,26 @@ define <8 x i64> @testv8i64(<8 x i64> %i
; AVX512DQ-NEXT: vporq %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT: vpsrlq $32, %zmm0, %zmm1
; AVX512DQ-NEXT: vporq %zmm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm1 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; AVX512DQ-NEXT: vpandn %ymm1, %ymm0, %ymm2
; AVX512DQ-NEXT: vpternlogq $15, %zmm0, %zmm0, %zmm0
-; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm1
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm3
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
-; AVX512DQ-NEXT: vpshufb %ymm3, %ymm4, %ymm3
-; AVX512DQ-NEXT: vpsrlw $4, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpshufb %ymm1, %ymm4, %ymm1
-; AVX512DQ-NEXT: vpaddb %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpxor %xmm3, %xmm3, %xmm3
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm5
-; AVX512DQ-NEXT: vpshufb %ymm5, %ymm4, %ymm5
+; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm4
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; AVX512DQ-NEXT: vpshufb %ymm4, %ymm5, %ymm4
+; AVX512DQ-NEXT: vpsrlw $4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm3, %ymm5, %ymm3
+; AVX512DQ-NEXT: vpaddb %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpxor %xmm4, %xmm4, %xmm4
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm2, %ymm5, %ymm2
; AVX512DQ-NEXT: vpsrlw $4, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpshufb %ymm0, %ymm4, %ymm0
-; AVX512DQ-NEXT: vpaddb %ymm5, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm0, %ymm0
-; AVX512DQ-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vpand %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpshufb %ymm0, %ymm5, %ymm0
+; AVX512DQ-NEXT: vpaddb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm0, %ymm0
+; AVX512DQ-NEXT: vinserti64x4 $1, %ymm3, %zmm0, %zmm0
; AVX512DQ-NEXT: retq
%out = call <8 x i64> @llvm.ctlz.v8i64(<8 x i64> %in, i1 0)
ret <8 x i64> %out
@@ -133,26 +133,26 @@ define <8 x i64> @testv8i64u(<8 x i64> %
; AVX512DQ-NEXT: vporq %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT: vpsrlq $32, %zmm0, %zmm1
; AVX512DQ-NEXT: vporq %zmm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm1 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; AVX512DQ-NEXT: vpandn %ymm1, %ymm0, %ymm2
; AVX512DQ-NEXT: vpternlogq $15, %zmm0, %zmm0, %zmm0
-; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm1
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm3
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
-; AVX512DQ-NEXT: vpshufb %ymm3, %ymm4, %ymm3
-; AVX512DQ-NEXT: vpsrlw $4, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpshufb %ymm1, %ymm4, %ymm1
-; AVX512DQ-NEXT: vpaddb %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpxor %xmm3, %xmm3, %xmm3
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm5
-; AVX512DQ-NEXT: vpshufb %ymm5, %ymm4, %ymm5
+; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm4
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; AVX512DQ-NEXT: vpshufb %ymm4, %ymm5, %ymm4
+; AVX512DQ-NEXT: vpsrlw $4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm3, %ymm5, %ymm3
+; AVX512DQ-NEXT: vpaddb %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpxor %xmm4, %xmm4, %xmm4
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm2, %ymm5, %ymm2
; AVX512DQ-NEXT: vpsrlw $4, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpshufb %ymm0, %ymm4, %ymm0
-; AVX512DQ-NEXT: vpaddb %ymm5, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm0, %ymm0
-; AVX512DQ-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vpand %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpshufb %ymm0, %ymm5, %ymm0
+; AVX512DQ-NEXT: vpaddb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm0, %ymm0
+; AVX512DQ-NEXT: vinserti64x4 $1, %ymm3, %zmm0, %zmm0
; AVX512DQ-NEXT: retq
%out = call <8 x i64> @llvm.ctlz.v8i64(<8 x i64> %in, i1 -1)
ret <8 x i64> %out
@@ -210,34 +210,34 @@ define <16 x i32> @testv16i32(<16 x i32>
; AVX512DQ-NEXT: vpord %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT: vpsrld $16, %zmm0, %zmm1
; AVX512DQ-NEXT: vpord %zmm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm1 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; AVX512DQ-NEXT: vpandn %ymm1, %ymm0, %ymm2
; AVX512DQ-NEXT: vpternlogq $15, %zmm0, %zmm0, %zmm0
-; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm1
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm3
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
-; AVX512DQ-NEXT: vpshufb %ymm3, %ymm4, %ymm3
-; AVX512DQ-NEXT: vpsrlw $4, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpshufb %ymm1, %ymm4, %ymm1
-; AVX512DQ-NEXT: vpaddb %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpxor %xmm3, %xmm3, %xmm3
-; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm5 = ymm1[2],ymm3[2],ymm1[3],ymm3[3],ymm1[6],ymm3[6],ymm1[7],ymm3[7]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm5, %ymm5
-; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm1 = ymm1[0],ymm3[0],ymm1[1],ymm3[1],ymm1[4],ymm3[4],ymm1[5],ymm3[5]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpackuswb %ymm5, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm5
-; AVX512DQ-NEXT: vpshufb %ymm5, %ymm4, %ymm5
+; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm4
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; AVX512DQ-NEXT: vpshufb %ymm4, %ymm5, %ymm4
+; AVX512DQ-NEXT: vpsrlw $4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm3, %ymm5, %ymm3
+; AVX512DQ-NEXT: vpaddb %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpxor %xmm4, %xmm4, %xmm4
+; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm6 = ymm3[2],ymm4[2],ymm3[3],ymm4[3],ymm3[6],ymm4[6],ymm3[7],ymm4[7]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm6, %ymm6
+; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm3 = ymm3[0],ymm4[0],ymm3[1],ymm4[1],ymm3[4],ymm4[4],ymm3[5],ymm4[5]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpackuswb %ymm6, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm2, %ymm5, %ymm2
; AVX512DQ-NEXT: vpsrlw $4, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpshufb %ymm0, %ymm4, %ymm0
-; AVX512DQ-NEXT: vpaddb %ymm5, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm2 = ymm0[2],ymm3[2],ymm0[3],ymm3[3],ymm0[6],ymm3[6],ymm0[7],ymm3[7]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm2, %ymm2
-; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm0 = ymm0[0],ymm3[0],ymm0[1],ymm3[1],ymm0[4],ymm3[4],ymm0[5],ymm3[5]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpackuswb %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vpand %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpshufb %ymm0, %ymm5, %ymm0
+; AVX512DQ-NEXT: vpaddb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm1 = ymm0[2],ymm4[2],ymm0[3],ymm4[3],ymm0[6],ymm4[6],ymm0[7],ymm4[7]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm1, %ymm1
+; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm0 = ymm0[0],ymm4[0],ymm0[1],ymm4[1],ymm0[4],ymm4[4],ymm0[5],ymm4[5]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpackuswb %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vinserti64x4 $1, %ymm3, %zmm0, %zmm0
; AVX512DQ-NEXT: retq
%out = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %in, i1 0)
ret <16 x i32> %out
@@ -295,34 +295,34 @@ define <16 x i32> @testv16i32u(<16 x i32
; AVX512DQ-NEXT: vpord %zmm1, %zmm0, %zmm0
; AVX512DQ-NEXT: vpsrld $16, %zmm0, %zmm1
; AVX512DQ-NEXT: vpord %zmm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm1 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
+; AVX512DQ-NEXT: vpandn %ymm1, %ymm0, %ymm2
; AVX512DQ-NEXT: vpternlogq $15, %zmm0, %zmm0, %zmm0
-; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm1
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm3
-; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm4 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
-; AVX512DQ-NEXT: vpshufb %ymm3, %ymm4, %ymm3
-; AVX512DQ-NEXT: vpsrlw $4, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpshufb %ymm1, %ymm4, %ymm1
-; AVX512DQ-NEXT: vpaddb %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpxor %xmm3, %xmm3, %xmm3
-; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm5 = ymm1[2],ymm3[2],ymm1[3],ymm3[3],ymm1[6],ymm3[6],ymm1[7],ymm3[7]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm5, %ymm5
-; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm1 = ymm1[0],ymm3[0],ymm1[1],ymm3[1],ymm1[4],ymm3[4],ymm1[5],ymm3[5]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpackuswb %ymm5, %ymm1, %ymm1
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm5
-; AVX512DQ-NEXT: vpshufb %ymm5, %ymm4, %ymm5
+; AVX512DQ-NEXT: vextracti64x4 $1, %zmm0, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm4
+; AVX512DQ-NEXT: vmovdqa {{.*#+}} ymm5 = [0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4,0,1,1,2,1,2,2,3,1,2,2,3,2,3,3,4]
+; AVX512DQ-NEXT: vpshufb %ymm4, %ymm5, %ymm4
+; AVX512DQ-NEXT: vpsrlw $4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpand %ymm1, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm3, %ymm5, %ymm3
+; AVX512DQ-NEXT: vpaddb %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpxor %xmm4, %xmm4, %xmm4
+; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm6 = ymm3[2],ymm4[2],ymm3[3],ymm4[3],ymm3[6],ymm4[6],ymm3[7],ymm4[7]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm6, %ymm6
+; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm3 = ymm3[0],ymm4[0],ymm3[1],ymm4[1],ymm3[4],ymm4[4],ymm3[5],ymm4[5]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpackuswb %ymm6, %ymm3, %ymm3
+; AVX512DQ-NEXT: vpshufb %ymm2, %ymm5, %ymm2
; AVX512DQ-NEXT: vpsrlw $4, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpand %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpshufb %ymm0, %ymm4, %ymm0
-; AVX512DQ-NEXT: vpaddb %ymm5, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm2 = ymm0[2],ymm3[2],ymm0[3],ymm3[3],ymm0[6],ymm3[6],ymm0[7],ymm3[7]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm2, %ymm2
-; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm0 = ymm0[0],ymm3[0],ymm0[1],ymm3[1],ymm0[4],ymm3[4],ymm0[5],ymm3[5]
-; AVX512DQ-NEXT: vpsadbw %ymm3, %ymm0, %ymm0
-; AVX512DQ-NEXT: vpackuswb %ymm2, %ymm0, %ymm0
-; AVX512DQ-NEXT: vinserti64x4 $1, %ymm1, %zmm0, %zmm0
+; AVX512DQ-NEXT: vpand %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpshufb %ymm0, %ymm5, %ymm0
+; AVX512DQ-NEXT: vpaddb %ymm2, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpunpckhdq {{.*#+}} ymm1 = ymm0[2],ymm4[2],ymm0[3],ymm4[3],ymm0[6],ymm4[6],ymm0[7],ymm4[7]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm1, %ymm1
+; AVX512DQ-NEXT: vpunpckldq {{.*#+}} ymm0 = ymm0[0],ymm4[0],ymm0[1],ymm4[1],ymm0[4],ymm4[4],ymm0[5],ymm4[5]
+; AVX512DQ-NEXT: vpsadbw %ymm4, %ymm0, %ymm0
+; AVX512DQ-NEXT: vpackuswb %ymm1, %ymm0, %ymm0
+; AVX512DQ-NEXT: vinserti64x4 $1, %ymm3, %zmm0, %zmm0
; AVX512DQ-NEXT: retq
%out = call <16 x i32> @llvm.ctlz.v16i32(<16 x i32> %in, i1 -1)
ret <16 x i32> %out
More information about the llvm-commits
mailing list